HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 32)

Contents
32
TNC 620 | User's ManualDIN/ISO Programming | 2/2015
9 Programming: Q parameters.......................................................................................................289
9.1 Principle and overview of functions................................................................................................. 290
Programming notes...............................................................................................................................292
Calling Q parameter functions.............................................................................................................. 293
9.2 Part families—Q parameters in place of numerical values............................................................. 294
Application............................................................................................................................................. 294
9.3 Describing contours with mathematical functions......................................................................... 295
Application............................................................................................................................................. 295
Overview............................................................................................................................................... 295
Programming fundamental operations..................................................................................................296
9.4 Angle functions................................................................................................................................... 297
Definitions............................................................................................................................................. 297
Programming trigonometric functions.................................................................................................. 297
9.5 Calculation of circles...........................................................................................................................298
Application............................................................................................................................................. 298
9.6 If-then decisions with Q parameters................................................................................................ 299
Application............................................................................................................................................. 299
Unconditional jumps..............................................................................................................................299
Programming if-then decisions............................................................................................................. 299
9.7 Checking and changing Q parameters............................................................................................. 300
Procedure.............................................................................................................................................. 300
9.8 Additional functions............................................................................................................................302
Overview............................................................................................................................................... 302
D14: Displaying error messages........................................................................................................... 303
D16 – Formatted output of text and Q parameter values.....................................................................307
D18: Reading system data....................................................................................................................311
D19 – Transfer values to the PLC.........................................................................................................320
D20 – NC and PLC synchronization......................................................................................................320
D29 – Transfer values to the PLC.........................................................................................................321
D37 – EXPORT......................................................................................................................................321